Question: Name the taxon with the longest subclass of HIV?
Paraphrase: What taxon has the longest subclass of HIV?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q16521 . ?ent wdt:P3337 ?obj . ?ent wdt:P279 wd:Q15787 } ORDER BY DESC(?obj)LIMIT 5 
Answer: HIV type 1